low-level radar

low-RCS target / low-radar-cross-section target

radar cross-section / radar cross section (RCS); radar signature; radar crossover

low flying aircraft / low-flying aircraft

low-flying, low-speed drone

TRML-4D radar (нім. Telefunken Radar Mobil Luftraumüberwachung / Telefunken mobile airspace surveilance radar)

low-level bombing

low-level cruise trajectory

low-level transit routes (LLTR)

low-level laydown (laydown bombing)

low level pressure chart

low level wind shear

low level wind shear alert system (LLWAS)

low-level flight

low-level jet

low-level radiation

low-level combat

low-level cyclone

low-level nuclear testing

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

surveyor's level (surveying level, tbc)

low-pulse repetition frequency radar

low-probability-of-intercept radar (LPIR)

3-D radar; 3D radar

high-power illuminator radar / high power illuminating radar (HIPIR)

radar air-to-surface vessel (ASV radar)

X-radar / X band radar

continuous-wave radar (C.W. radar)

radio-radar; radio/radar

anti-low-flying aircraft missile

blasting explosive (normal-, high-, low strength)

high altitude-low opening (HALO)

high- and low-altitude surveillance